Bose FreeSpace ZA2120LZ Zone Amplifier UK

Bose FreeSpace ZA2120LZ UK

Recommendations to retail stores, restaurants and bars, hospitality venues, conference centers, schools, auxiliary zones.

Bose FreeSpace ZA2120LZ Zone Amplifier 

The Bose® FreeSpace® ZA 2120-LZ zone amplifier is designed to provide basic amplification and sound system expansion when using front-end Bose products such as FreeSpace® integrated zone amplifiers and ControlSpace® engineered sound processors.


  • Reliable 2 x 120 W Class-D amplification optimized for low-impedance applications
  • Remote option for volume control eliminates the need for bulky, inefficient, and sound-altering in-line volume controls.
  • Expansion-ready connectivity with FreeSpace® IZA amplifiers when additional sources and loudspeaker processing is required.
  • Intuitive feature setup enables the amplifier to be configured without a PC for output and automatic standby options.
  • Auto-Standby feature allows the amplifier to consume less power when not in use.
  • Remote muting allows the amplifier to be muted via a centralized control system.

Power Rating


Amplifier Power

2 x 120 W @ 4 Ω, 2 x 60 W @ 8 Ω

Audio Performance


Frequency Response

20 Hz - 20 kHz (+0/–3 dB, @ 1 W reference 1 kHz)


≤ 0.5 % (at rated power)

Channel Separation (Crosstalk)

≤ –60 dBV (below rated power, 1 kHz)

Dynamic Range

88 dB

Audio Inputs


Input Channels

1 unbalanced, 1 balanced


Stereo RCA, 5-pin Euroblock

Input Range

–10 dBV to +10 dBV

Adjustment Range

–20 dB to +20 dB

Input Impedance

20 kΩ

Maximum Input Level

+10 dBV

Nominal Input Level

0 dBV

Audio Outputs





2-pin touch-proof Euroblock

Nominal Output Level

2 x 120 W @ 4 Ω, 2 x 60 W @ 8 Ω

Indicators and Controls



Power LED

Solid blue indicates power is on, blinking blue indicates standby mode

Input Signal Clip LED

Green indicates input signal is within –39 dBV to 9 dBV, red indicates signal is over 9 dBV

Output Signal Clip LED

Green indicates output signal is within –46 dBFS to –2 dBFS, red indicates signal is over –2 dBFS, approximately 80 W/channe

Controls, Front Panel

Power On/Off

Controls, Rear Panel

Auto Standby: On/Off switch, Output: Stereo/Mono switch, Mute, Output trims, Remote



Mains Voltage

100 VAC - 240 VAC (±10%, 50/60 Hz)

AC Power Consumption

21 W (Standby), 350 W (Max)

Mains Connector

Standard IEC (C14)

Maximum Inrush Current

5.0 Amps (230 VAC / 50 Hz), 2.7 Amps (120 VAC / 60 Hz)

Overload Protection

High temperature, output short, excessively low or high AC line voltage




1.7" H x 19.0" W x 12.8" D (44 mm H x 483 mm W x 324 mm D)

Shipping Weight

11.5 lb (5.2 kg)

Net Weight

8.5 lb (3.9 kg)

Cooling System

Single fan, continuous left-to-right air flow



Inputs (Control)

Remote input for Volume Control (PC041966), Mute input control via a normally open contact closure


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